%0 Journal Article %T Quaternionic Bundles and Betti Numbers of Symplectic 4-Manifolds with Kodaira Dimension Zero %A Tian-Jun Li %J Mathematics %D 2006 %I arXiv %X Symplectic 4-manifolds with Kodaira dimension zero can be viewed as symplectic Calabi-Yau surfaces. We are able to completely determine their Betti numbers by proving two general results on quaternionic vector bundles. %U http://arxiv.org/abs/math/0612180v1